Take Up Code

183: Digital Electronics: Microcontrollers Ready To Use.

Unlike microprocessors, microcontrollers can be used all by themselves. If you’re building a...

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182: Digital Electronics: Microprocessor Speed And Clocks.

What are microprocessors and how have they changed? The first thing to understand is that a...

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181: Basic Electronics: Voltage Dividers.

You can use resistors to divide voltage. A circuit with just some resistors may not seem very...

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180: Basic Electronics: Series And Parallel.

Have you ever wondered why batteries sometimes need to be inserted in alternating directions? A...

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179: Basic Electronics: Capacitance.

Do you know how your touch screen works? In this episode, you’ll learn about an important...

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178: Basic Electronics: Magnetic Fields And Current.

Moving charge produces a magnetic field and a moving magnetic field produces current. First of...

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177: Basic Electronics: AC/DC: Alternating Vs. Direct Current

Do you know where the nearest power plant is? Direct current is easy to understand because...

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176: Basic Electronics: Voltage, Current, Resistance.

Knowing some basic electronics helps you become a better programmer. You might have seen warning...

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175: Multiplexing: Many Over One.

How do you send multiple messages across a single channel? Multiplexing is a topic that applies...

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174: Error Correction: Hamming Distance And Codes.

How do you correct errors once you identify them? I’ve explained a lot already about error...

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173: HMAC: Keyed Hashed Message Authentication Code.

How do you stop an attacker from just changing a hash? In the previous episode, I explained how...

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172: Hashes Offer The Best Error Detection.

If you receive some information, how do you know if it’s intact or has been changed? You use a...

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171: Checksums Offer Better Error Detection.

If you receive some information, how do you know if it’s intact or has been changed? I’m going to...

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